The glaciers are not stable, but flow down the mountain. This will cause cracks, crevasses, which may be obscured by snow bridges. The previous text is in English. Here is a translation to Swahili:
Mabarafuto si imara, lakini yanatiririka kuenda chini ya mlima. Hii itasababisha nyufa, mianya, ambayo inaweza kufichwa na madaraja ya theluji.